Base | Representation |
---|---|
bin | 100011011100000001… |
… | …010100011101000011 |
3 | 10122012211210201121222 |
4 | 203130001110131003 |
5 | 1110412033244221 |
6 | 25251434305255 |
7 | 2514640526264 |
oct | 433401243503 |
9 | 118184721558 |
10 | 38051071811 |
11 | 15156924495 |
12 | 745b28822b |
13 | 378537a40c |
14 | 1bad80896b |
15 | eca8619ab |
hex | 8dc054743 |
38051071811 has 4 divisors (see below), whose sum is σ = 38051462592. Its totient is φ = 38050681032.
The previous prime is 38051071787. The next prime is 38051071871. The reversal of 38051071811 is 11817015083.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11817015083 = 139 ⋅85014497.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38051071811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38051071871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80846 + ... + 287468.
It is an arithmetic number, because the mean of its divisors is an integer number (9512865648).
Almost surely, 238051071811 is an apocalyptic number.
38051071811 is a deficient number, since it is larger than the sum of its proper divisors (390781).
38051071811 is a wasteful number, since it uses less digits than its factorization.
38051071811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390780.
The product of its (nonzero) digits is 6720, while the sum is 35.
Adding to 38051071811 its reverse (11817015083), we get a palindrome (49868086894).
The spelling of 38051071811 in words is "thirty-eight billion, fifty-one million, seventy-one thousand, eight hundred eleven".
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